"If you have home CCTV or dashcam footage and were in the vicinity of Whetstone Lane, please check the footage as you may hold evidence which could assist with the investigation. As always, our communities are vital to tackling knife crime, which can clearly have devastating consequences.

"I would like to reassure the local community that incidents like this are rare and would ask anyone with information to come forward."

The victim's next of kin are in the process of being informed.

Forensic enquiries are being carried out and patrols are currently in the area to provide a high-visibility reassurance and to make extensive CCTV, house-to-house and witness enquiries.